Nanofluids to improve the performance of PEM fuel cell cooling systems: A theoretical approach

Islam, M, Shabani, B and Rosengarten, G 2016, 'Nanofluids to improve the performance of PEM fuel cell cooling systems: A theoretical approach', Applied Energy, vol. 178, no. 2016, pp. 660-671.


Document type: Journal Article
Collection: Journal Articles

Title Nanofluids to improve the performance of PEM fuel cell cooling systems: A theoretical approach
Author(s) Islam, M
Shabani, B
Rosengarten, G
Year 2016
Journal name Applied Energy
Volume number 178
Issue number 2016
Start page 660
End page 671
Total pages 12
Publisher Elsevier
Abstract PEM fuel cells are considered to be viable alternatives to Internal Combustion Engines (ICEs) in automotive applications due to their many advantages. However, one of the challenges is the need to remove considerable heat at relatively low temperatures (i.e. ∼60-80 °C). Nanofluids may offer a promising solution to help reduce the size of thermal management part of PEM fuel cell systems. This paper describes a simulation model developed to theoretically study the effect of using of nanofluids as coolants on the size of the heat exchanger (HE) and the pumping power in PEM fuel cell cooling systems. Considering a 2.4 kW PEM fuel cell, 50/50 water-ethylene glycol based nanofluids with concentration of 0.05-2 vol% have been investigated. By using 0.05 vol% concentration, ∼21% reduction of frontal area of the HE is obtained compared with that using the base fluid at constant coolant mass flow rate. By increasing nanoparticle concentration from 0.05 to 2 vol%, a further reduction of only ∼4% of the frontal area of HE can be obtained. No significant difference was found in pumping power when using nanofluids compared that using the base fluid. Using standard models there is negligible differences in the thermal performance using a variety of nanofluids.
Subject Heat and Mass Transfer Operations
Energy Generation, Conversion and Storage Engineering
Keyword(s) Nanofluids
PEMFC cooling
Heat exchanger
Coolants
DOI - identifier 10.1016/j.apenergy.2016.06.090
Copyright notice © 2016 Elsevier Ltd. All rights reserved.
ISSN 0306-2619
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